Can you find out the missing number in the grid?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

Can you move 2 matchsticks to form four equal sized squares.

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

What four weights can be used to balance from 1 to 30 pounds?

Why are televisions attracted to people?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?